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Optoelectronics/Displays??

1W LEDs offer high brightness, wide viewing angle

Posted: 14 Jun 2006 ?? ?Print Version ?Bookmark and Share

Keywords:TT? Optek? LED? 1W? 2°C/W?

1W LEDs

TT electronics Optek Technology announced it has developed a miniature device with a thermal resistance of 2C/W to provide lighting design engineers with a high brightness surface mount 1W LED in an energy-efficient package.

According to Optek, the single-packaged LEDs are part of its Lednium Series of solid state lighting devices. Designated the OVTL01LGA Series, the surface mount LEDs promise to offer luminance of up to 38 lumens and a full 120 viewing angle. With their wide viewing angle and spatial uniformity, the new LED assemblies are suitable for a wide variety of solid state lighting applications, including automotive interior and exterior lighting, architectural lighting, electronic signs and displays, explained the company.

Richard Saffa, VP of Optek's Visible LED Business Unit, said the new devices feature one 1W LED chip mounted on a miniature copper surface mountable package. "As the demand for solid-state lighting continues to grow, we believe that the flexibility provided to lighting designers by these single LED devices will fuel innovative new designs."

The OVTL01LGA Series assemblies are available in amber (595nm, 38lm); blue (467nm, 6.5lm); green (524nm, 31lm); red (624nm, 27lm); and white (27lm). All colors feature a full 120 viewing angle in water clear lenses. The devices exhibit DC forward current of 0.35A, with a peak pulsed forward current of 1A. Typical forward voltage characteristics range from 2-3.3V (color-dependent), and reverse voltage for all devices is 5V. Maximum allowable junction temperature is 130C.

The company said the devices feature a low thermal resistance of 2C/W and an operating temperature range of -50C to 80C. The device assemblies are surface-mountable and measure 6-by-5.10-by-1.56mm.

Typical pricing for the OVTL01LGA Series devices start at $1.30 each in quantities of 10,000 pieces. Production quantity lead times, if stock is not available, are from 8 to 10 weeks.




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